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Alternative Titles

English: No. 6
Synonyms: Number Six, Number 6, No. Six
Japanese: NO.6[ナンバー・シックス]


Type: TV
Episodes: 11
Status: Finished Airing
Aired: Jul 8, 2011 to Sep 16, 2011
Premiered: Summer 2011
Broadcast: Fridays at 01:15 (JST)
Producers: Aniplex, Dentsu, Kodansha, Fuji TV
Licensors: Sentai Filmworks
Studios: Bones
Source: Novel
Duration: 23 min. per ep.
Rating: R - 17+ (violence & profanity)


Score: 7.731 (scored by 109,284 users)
1 indicates a weighted score. Please note that 'Not yet aired' titles are excluded.
Ranked: #10322
2 based on the top anime page. Please note that 'Not yet aired' and 'R18+' titles are excluded.
Popularity: #318
Members: 216,099
Favorites: 5,458
Ranked #1032Popularity #318Members 216,099
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Episodes: /11
Buy on Manga Store


Many years ago, after the end of a bloody world war, mankind took shelter in six city-states that were peaceful and perfect... at least on the surface. However, Shion—an elite resident of the city-state No. 6—gained a new perspective on the world he lives in, thanks to a chance encounter with a mysterious boy, Nezumi. Nezumi turned out to be just one of many who lived in the desolate wasteland beyond the walls of the supposed utopia. But despite knowing that the other boy was a fugitive, Shion decided to take him in for the night and protect him, which resulted in drastic consequences: because of his actions, Shion and his mother lost their status as elites and were relocated elsewhere, and the darker side of the city began to make itself known.

Now, a long time after their life-altering first meeting, Shion and Nezumi are finally brought together once again—the former elite and the boy on the run are about to embark on an adventure that will, in time, reveal the shattering secrets of No. 6.

[Written by MAL Rewrite]


No. 6 condenses but largely remains faithful to the the original nine-part light novel series. Changes were made to tone down the amount of violence in the series, in addition to creating an alternate ending.

Episode Videos

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Related Anime

Characters & Voice Actors

Hosoya, Yoshimasa
Kaji, Yuki
Yasuno, Kiyono
Shindou, Kei
Sakuma, Rei
Terasoma, Masaki
Safu's Grandmother
Shouji, Miyoko
Morohoshi, Sumire
Miki, Shinichiro
Nishigaki, Yuka


Nagasaki, Kenji
Director, Storyboard
Mima, Masafumi
Sound Director
Foster, Steven
Script, ADR Director
Itou, Michiko
Script, Screenplay

Edit Opening Theme

"Spell" by LAMA

Edit Ending Theme

"Rokutousei no Yoru (六等星の夜)" by Aimer

More reviewsReviews

Sep 24, 2011
rachel-chanx3 (All reviews)
No.6 is a captivating anime and I can honestly say that after having just watched it twice through. But then again, everyone has different tastes and this just may not be your cup of tea. Even so, it couldn’t hurt to try a sip, could it?

NOTE: For my sake, I’m writing Nezumi, as Nezumi, and not “Rat” like in the subs, and Shion instead of Sion, like the MAL character page.

Story – 8/10. No.6 is a utopia, there is no poverty, there are no conflicts, there are no problems. You will live happily and peacefully within these safe walls, and you will wear this read more
Sep 15, 2011
Funnyguts (All reviews)
Wow, that was painful. Please, anyone reading this, don't bother with this anime. Go pick up a translation of the novels or the manga. I've only read brief summaries of the novel, but those summaries were enough to let me know how good of a show this could have been, and just how far BONES had to go out of its way to make the No. 6 anime a complete trainwreck.

The first three episodes of the show were really interesting. Not fantastic, but enough to get me excited. There's a strong sense of mystery pervading the first episode: Why is this kid being pursued? read more
Oct 31, 2011
Hazegurl (All reviews)
Had so much potential but was wasted. When I saw the first episode I fell in love with the characters and became very interested in the story. I was so glad this wasn't one of those animes where you had to watch up until episode 4 or 5 before something good happens. It started right out with some action and character development.

Watching the next batch of episodes had me hooked because there was so many things going on with Shion and Nezumi, both apart and together, plus the background of No. 6 and how it got the way it is. The horrible acts committed by read more
Sep 11, 2011
TimChan (All reviews)
Firstly, No. 6 is very homotastic. It`s a fact. But to anyone who may be discouraged by the not-very-subtle homosexuality, I advise that you keep watching. Whether or not you like the overt man-love that erupts between Nezumi and Sion (who, oddly, resemble a certain pair of characters from D.Gray Man who get a lot of Yaoi attention as well), getting past it will reveal an intriguing, thought-provoking plot. Given, it is just like any utopian anime in concept - Nuclear War, bla bla bla, Utopia that turns out to not be Utopia. Yet, No. 6 does not suffer from read more


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